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Dudley & Shanley, Inc.

Q2 2026 Holdings

Filed 2026-07-09 | 38 holdings | $662.3M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Wheaton Precious Mtls(WPM)COM962879102$51.1M454,6407.7%
Amphenol Corp.(APH)COM032095101$41.3M234,4516.2%
Ametek Inc.(AME)COM031100100$33.8M139,7315.1%
Visa Inc.(V)COM92826C839$33.3M96,9715.0%
Watsco, Inc.(WSO)COM942622200$32.5M78,0124.9%
Aon plc(AON)COMG0403H108$29.5M88,8074.4%
Ecolab Inc.(ECL)COM278865100$29.2M104,6934.4%
Service Corp. Int'l(SCI)COM817565104$27.9M367,7834.2%
Analog Devices(ADI)COM032654105$26.7M67,2004.0%
Ferguson Enterprises(FERG)COM31488V107$24.7M104,2253.7%
Donaldson Co., Inc.(DCI)COM257651109$24.4M272,3303.7%
Kadant Inc.(KAI)COM48282T104$23.8M75,7353.6%
Fastenal Co.(FAST)COM311900104$22.7M472,4403.4%
Amer. Water Works(AWK)COM030420103$22.3M169,3443.4%
Charles Schwab(SCHW)COM808513105$22.2M240,9333.4%
Federal Signal Corp(FSS)COM313855108$21.8M169,2853.3%
Xylem Inc.(XYL)COM98419M100$21.4M181,0503.2%
Rollins, Inc.(ROL)COM775711104$20.7M495,6553.1%
Kornit Digital(KRNT)COMM6372Q113$20.4M1,255,2653.1%
Allison Transmission(ALSN)COM01973R101$18.6M165,0372.8%
Ryan Specialty Hldngs(RYAN)COM78351F107$17.6M465,1462.7%
Progressive Corp.(PGR)COM743315103$14.5M66,2802.2%
Danaher Corp.(DHR)COM235851102$14.1M74,0242.1%
NexGen Energy Ltd.(NXE)COM65340P106$11.5M1,225,5001.7%
Badger Meter Inc(BMI)COM056525108$9.3M63,0001.4%
Agilent Tech, Inc.(A)COM00846U101$9.2M69,5001.4%
Waters Corporation(WAT)COM941848103$8.8M23,5901.3%
Heico Corp.(HEI)COM422806109$6.9M19,5001.0%
Fiserv Inc.(FISV)COM337738108$5.4M110,5580.8%
Generac Holdings(GNRC)COM368736104$4.7M16,1500.7%
Pfizer, Inc.(PFE)COM717081103$4.0M165,0000.6%
Microsoft Corp.(MSFT)COM594918104$3.9M10,5690.6%
Ormat Technologies(ORA)COM686688102$2.8M26,1000.4%
Roper Technologies(ROP)COM776696106$676.8K2,0000.1%
Viper Energy Inc(VNOM)COM64361Q101$326.5K7,7000.0%
Atha Energy Corp.(SASKF)COM046824108$52.0K74,5000.0%
Stallion Uranium Corp(STLNF)COM852919208$25.4K180,0000.0%